Apple's arguably the most important company in mobile gaming. Valve not only makes great games like Portal 2 but they also run Steam, the heavyweight champion of video game digital distribution. What would happen if they teamed up? We don't know.

But we think that the leaders from each company might have met. A report from Apple Insider claims that Apple CEO Tim Cook visited Valve's Washington State offices, earlier today.

The meeting to two tech company heavyweights like Cook and Valve CEO Gabe Newell is tailor-made to set brains speculating? Could they be talking about a Steam Box? Integrating Steam into AppleTV? Buffing up the Steam client on iOS? Maybe they're talking about the KotakuPower 40 rankings? (Cook sits quite infamously in the #1 spot while Newell is ranked #8.) My guess? Tim Cook really wants to know when Half-Life 3 is coming out.

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Of course, it's entirely possible that no such meeting happened or that entirely mundane things were discussed. But, for now, let the admirers of each company dream about what a partnership might bring. We've reached out to Valve for comment and will update this story if we hear back.